Transducer A, Caterpillar 3E-7639 Equivalent: CAT 196-5391, CAT 202-8024, Available FREE Shipping on orders over $2000 Login for price Description CAT 3E-7639Engine - Generator SetG3516B, G3520BEngine - IndustrialG3516, G3512, G3508New Part Number: CAT 196-5391 Equivalent Items O2 Sensor, Gateway 5001 Login for price O2 Sensor, CAT equivalent 202-8024,... Login for price Oxygen Sensor, MOTORTECH 19.60.027 Login for price